The strategy-evaluation process

According to your textbook, the strategy-evaluation process consists of three basic activities:
Examine the underlying bases of a firm's strategy.
Compare expected results with actual results.
Take corrective actions to ensure that performance conforms to the plan.
Which of the three strategy-evaluation activities do you think is most critical to be performed well? Why?
Read and reply to at least two (2) posts from any classmates. A simple statement such as, “good” or “I agree” does not constitute a substantial comment.